Plumbing tool



FIG. 1 is a front elevation view of a plumbing tool showing my new design;

FIG. 2 is a right side view of my invention;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a bottom view; and,

FIG. 5 is a right side isometric view of my invention. 

The ornamental design for a plumbing tool, as shown and described. 